一种新的速度估计方法及其应用

A New Speed Sensorless Vector Control System of PM Synchronous Motors

一种新的速度估计方法及其应用曾朝晖周鹗（东南大学电气工程系，南京２１００１８）在永磁同步电机矢量控制系统中，需要对电机的转速和转子位置进行测量，以完成矢量变换，实现对电机动态力矩的控制．典型的永磁同步电机矢量控制系统如图１所示［１］．对于具有转速和...

A new speed estimation algorithm of PM synchronous motors, based on analyzing electromagnetic relationship of the PM synchronous motors, is presented. A speed sensorless vector control system of PM synchronous motors is established. The simulation results show that this method has good performance.